An electric Range Rover would lend green credentials to the brand as well as offering a luxury experience superior to what conventional petrol or diesel engines offer, as electric motors do not produce as much noise or vibration as an internal combustion engine. Battery-powered motors can also produce immense torque on demand, allowing them to out-accelerate regular drivetrains.

Tesla's Model X will arrive in Australia as a seven-seat SUV.

Coupled with the potential autonomous driving aids offer as an in-car chauffeur, developments in luxury car technology could change the way high-rollers ride.

Tesla has made steady progress in the US market with its quick and quiet Model S sedan, and the brand expects its upcoming Model X SUV, that is due to go on sale in 2015.

Range Rover has already trialled battery power in several electric "laboratory" models to see whether electric cars can handle the demands of river crossings or deep mud.

Land Rover told Drive in 2013 that such a model is ideal for game parks as it allows guides to quietly approach animals, though it appears that view may be changing in order to cash in on luxury buyers.

Range Rover recently introduced its first hybrid model, a diesel-electric Range Rover that uses offers better performance and economy than other models in the range.